National Association of Certified Home Inspectors

InterNACHI » "The Inspectors Journal®"

Grounding electrodes are essential safety measures in every home, but even if they’re there it doesn’t mean that they will work if they are needed. Water pipe electrodes are particularly prone to failing because plumbers sometimes replace metal portions with nonconductive plastic pipes and nothing is done to correct the grounding system. Take a look at our new article on home service grounding electrodes to find out more about the different types you might encounter and how they work.